Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.893075197918
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2LT5VXO2LS0UL
darker: E (eq: True, dd: None), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: E (eq: True, dd: None), confidence: 2, worker: AYD3RXE17K2CF
darker: E (eq: True, dd: None), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: E (eq: True, dd: None), confidence: 2, worker: A92IZM4P9SJ2S
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A3RDHG95L1UPAZ
(0: guessing, 1: probably, 2: definitely)